Inc.; 138: Paul J. Richards—AFP/Getty Images; 139: (left) Michael
Nicholson/Corbis, (right) Peter Harholdt/Corbis; 140: (left) Chris
Lisle/Corbis, (right) Mahesh Kumar/AP; 141: Jeff J. Mitchell/Getty
Images; 142: Taylor S. Kennedy—National Geographic/Getty Images;
143: Patricio Robles Gil/Nature Picture Library; 144: Encyclop.dia
Britannica, Inc.; 145: Encyclop.dia Britannica, Inc.; 147: UPI—
Bettmann/Corbis; 148: Jose Fuste Raga/Corbis; 149: Encyclop.dia
Britannica, Inc.; 150: ©Walter Bibkow—Taxi/Getty Images; 151: Jan
Butchofsky-Houser/Corbis; 152: (left) Bernard Roussel—The Image
Bank/Getty Images, (right) The Granger Collection, New York;
153: Encyclop.dia Britannica, Inc.; 154: Carolyn Kaster/AP;
156: Judie Anderson/EB Inc.; 157: (left) Joel Sartore—National
Geographic/Getty Images, (right) Homer Sykes/Alamy; 158: Gregory
G. Dimijian, M.D./Photo Researchers, Inc.; 159: M.I.Walker/Photo
Researchers, Inc.; 160: Catherine Karnow/Corbis;
161: Bettmann/Corbis; 162: (left and right) Lewis J. Merrim/Photo
Researchers, Inc.; 163: age fotostock/SuperStock; 164: (left) AP, (right)
Courtesy of the Newberry Library, Chicago, Ayer Collection;
165: Tony Arruza/Corbis; 166: Bettmann/Corbis; 167: (left) Michael
Durham/Nature Picture Library, (right) © Bohemian Nomad
Picturemakers/Corbis; 168: Richard T. Nowitz/Corbis; 169: The
Granger Collection, New York; 170: (left) Kapoor Baldev—
Sygma/Corbis, (right) © Sylvain Grandadam—Stone/Getty Images;
171: age fotoStock; 172: J.H. Pete Carmichael—The Image
Bank/Getty Images.
Volume 11
Page 4: SuperStock, Inc.; 5: The Granger Collection, New York;
6: Marilyn AngelWynn/Nativestock Pictures; 7: (left) Bernard Grilly—
Stone/Getty Images, (right) Bob Krist/Corbis; 9: © Corbis; 10: Peter
Adams—The Image Bank/Getty Images; 11: Yoshio Tomil/SuperStock;
13: (top) Nik Wheeler/Corbis, (bottom) © G.C. Kelley/Photo
Researchers, Inc.; 14: Terry Andrewartha/Nature Picture Library;
15: Gail Shumway—Taxi/Getty Images; 16: Encyclop.dia Britannica,
Inc.; 17: Encyclop.dia Britannica, Inc.; 18: (top) Encyclop.dia
Britannica, Inc., (bottom) Lester Lefkowitz/Corbis;
19: Camerique/Getty Images; 20: Jose Fuste Raga—zefa/Corbis;
21: (left) The Granger Collection, New York, (right) Gail Shumway—
Taxi/Getty Images; 22: age fotostock/SuperStock; 23: Edward
Parker/Oxford Scientific Films; 24: Encyclop.dia Britannica, Inc.;
25: Gene Ahrens/SuperStock; 26: (left) Zahid Hussein—
Reuters/Corbis, (right) Mark J. Terril/AP; 27: age
fotostock/SuperStock; 28: (left) age fotostock/SuperStock, (right) Joel
Sartore—National Geographic/Getty Images; 29: Mike Read/Nature
Picture Library; 30: Georgette Douwma/Nature Picture Library;
31: Judie Anderson/EB Inc.; 32: (top and bottom, inset) Courtesy
Ronald Reagan Library; 33: The Granger Collection, New York;
34: Bettmann/Corbis; 35: Ted Russell—Photographer’s Choice/Getty
Images; 36: Chung Sung-Jun/Getty Images; 37: © Digital Vision/Getty
Images; 38: Shostal Associates; 39: (left) The Granger Collection, New
York, (right) Jildiz Bekibayeva/AP; 41: (left) Encyclopaedia Britannica,
Inc., (right) Pawel Kopczynski—Reuters/Corbis; 42: Pete
Cairns/Nature Picture Library; 44: © National Gallery Collection; by
kind permission of the trustees of the National Gallery, London/Corbis;
45: (left and right) The Granger Collection, New York; 46: Scala/Art
Resource, New York; 47: Encyclop.dia Britannica, Inc.;
48: Encyclop.dia Britannica, Inc.; 49: Encyclop.dia Britannica, Inc.;
50: Encyclop.dia Britannica, Inc.; 51: (left)Wolfgang Kaehler/Corbis,
(right) Niall Benvie/Nature Picture Library; 52: Premaphotos/Nature
Picture Library; 53: (left) Lynn M. Stone/Nature Picture Library, (right)
Seppo Sirkka—epa/Corbis; 54: (left and right) Encyclop.dia
Britannica, Inc.; 55: Encyclop.dia Britannica, Inc.; 56: (left)
Encyclop.dia Britannica, Inc., (right) © Spectrum Colour
Library/Heritage-Images; 57: © Freelance Photography Guild/Corbis;
59: StaffanWidstrand/Nature Picture Library; 61: (left) © Ira Block—
National Geographic/Getty Images, (right) Bob Krist/Corbis; 62: (left)
age fotostock/SuperStock, (right) Derek Fell; 63: Baldev/Shostal
Associates; 64: SuperStock; 65: (left) NASA, (right) Peter Adams—The
Image Bank/Getty Images; 67: (left) © Spectrum Colour
Library/Heritage-Images, (right) © Kevin Horan/Stone; 68: © City
College of San Francisco. All rights reserved. Unauthorized public
performance, broadcasting, transmission, or copying, mechanical or
electronic, is a violation of applicable laws.; 69: SuperStock; 70: age
fotostock/SuperStock; 71: (left) Lester Lefkowitz/Corbis, (right) David
Kjaer/Nature Picture Library; 72: (left) Tom Mangelsen/Nature Picture
Library, (right)William Osborn/Nature Picture Library; 73: UPI;
74: Matthew Cavanaugh/Corbis; 75: (top) Steve Vidler/SuperStock,
BRITANNICA STUDENT ENCYCLOPEDIA Credits 301
(bottom) Kirkendall/Spring; 76: (top) age fotostock/SuperStock,
(bottom) Mauritius/SuperStock; 77: Encyclop.dia Britannica, Inc.;
78: Frank Micelotta—ImageDirect/Getty Images; 79: Aflo/Nature